Hatch construction.



W. A. GREEN.

HATCH CONSTRUCTION.

APrLmATIoN FILED rms. 14, 1910.

1,005,426. A- Patented o@t.10,1911,

fr 174H I I C1 l) A C J mrs/Iron -Ta allgwhom-'it may concern;

UNITED sT-ATEs PATENT oEEi-CE.

' WILLrAM ARTHUR GREEN, or' CoLLINGsWooD, NEW JERSEY, ASSIGNCE To NEW YORK SHIPEUILDING commNY; orA CAiuDEN, NEW JERSEY, A CORPORATION vE NEW JEBSEY.-

HATCH CoNsTmiCTIoN.

speeincauonlof Letters raten. Application led February 14, 1910. Seria1 No. 543,801..

Patentedl Oct. 10, 1911.

Be it known that I, WILLIAM A.. GREEN, a citizen of the United States of America,

residing in Collingswood, /in the county of Camden and State of New Jersey, have in vented a certain new and useful Improve.- mentin Hatch Construction, of which the lfollowing is a true and exact description.

My present invention relatesto hatch constructions,land particularly to the means employed for obtaining water tight joints between the framing of the hatchways formed in the vdeck of a ship, and the hatch covers therefor.

The object of the invention is'to provide simple and eiiicient means `for the purpose specified, which can be readily put into and outlof service, in which the relatively frag- `-ile or easily injured parts are .protectedfrom liability to accidental injury or destruction, inexpensively renewed and repaired A'further object of the invention is to provide l.means for 4the purpose specified,

vwhichy are independent of the manner in which thehatch covers are mounted and manipulated, and "permit the covers `to be hinged at the side ofthe hatch way, or to be bodily removed, or otherwise handled and ,disposed when it is desired to uncover the hatchways, and in any case de not interL vfere with the operation of loading or unloadin the cargo through the hatchways and-w 'ch are well adapted for use in connection with the large hatchways formed ,in thedecks of large freight vessels. such as handle grain, coal, ore, andthe like.

The various features of novelty characterizing the present invention are pointed out with articularity in the claims annexed to and vorming a part. of this specification. For a better understanding of the invention, however,'and the advantages possessed by it, reference v`may be had to the accompany- -ing drawing and descriptive matter, in

` which I have illustrated and described one of the forms in which the invention may be -line .3-3 o f Fig. 1, but not showing the cover securing details.y Fig. 4 is a partial section taken similarly to Fig. 3, but on a larger scale, and showing cover securing details. Y Fig. 5'is a `partial section on the h ne 5-5 of Fig. 6. Fig. v6 is a partial section on the line 6--6 of Fig. 1, and, Fig. 7 1s ai partial sectional plan of the hatch on a larger scale than Fig. l1.

In the drawings, A represents the deck, B one of the hatch ways or deck openings, C the coaming or framework surrounding thehatchway. The coaming C may be formed of wood or metal, but in either event should preferably be provided with the outturned flange C at its upper edge -and may advantageously be formed of channel bars as shown.

D represents the hatch cover proper .which should preferably be provided with a downwardly extending flange D at its margin. The cover D may be constructed of wood or metal and may be mounted and secured in place in any. usual and suitable manner. As shown, the cover is made in sections separately connected by hinges D? to the deck at one side of the coaming. The joint at D3 where adjacent sections meet may be made tight in the usual manner. In the construction illustrated tumble bolts E hinged to the deck and yoke members D* secured tothehatch cover, areprovided for fastening down the hatch cover.

' The means employed for making a tight joint between the hatch coaming and hatch cover comprises a watershed apron F of .can'

vas, or like flexible material, which runs along the margin of the hatchway and is permanently secured at one edge to the coaming, and the provisions fordetachably securing the opposite edge of this apron to the hatch cover.

As shown, the apron F is clamped at its upper edge againsty the underside of the coaming flange C fby means of retaining bars G and bolts G. "Preferably, as shown,

Athe lower edge of the apron is stitlened by a wood or metal strip or battening bar II which may well have the canvas of the apron doubled about it, as shown in Figs. 4 and 6.

In the constructionillustrated, the apron is formed'in four sections one at each side of the hatch and at each corner as illustrated in Figs. 5 and 6 an extension F of one of the two meeting apron sections is brought around the corner always overlapping the other section and is caught at the top under the retaining bar G for the other section.

This insures in a simple manner a fairly good joint at the corner while allowing all necessary freedom-of movement of the lower edge of each apron section toward and away from the corresponding side of the hatch coaming.

An efficient :means for detachably securing the lower edge of the canvas to the marginv of the hatch cover is formed by the clamps I, though the invention, broadly considered, is not limited to the use of any particular form of clamping means.' As shown. the clamping devices I are in the form of yokes, each having a slotted opening I for l"the pin'tle I2 carried by a corresponding i and because of the narrow width of the apron and the fact that the coaming flange C forms an eflicient guard, for it, th'e apron,l

bracket I3 secured to the outer side of the' cover fiange D. Whenthese devices are employed. the lower edge of the apron' is secured in place by swinging each yoke from the dotted line position shown in Fig; 4 into 85the full line position of that figure, and driving a wedge J lbetween the outer leg of ea'ch clamping yoke and the adjacent side of the cover flange D. l

With the construction illustrated, when the hatch is uncovered the apron hangs down from'the outer edges 'of the bars G,

is out of the way and practicallv free from liability of injury b v objects resting or moving about ou the deck. Moreover, the canvas may be readily replacedor repaired when p necessary. The apron lis very effectively protected from injury by objects on 'the deck when the cover is in place and does not interfere with the' opening of the hatch or thel y entire removal ofthe cover or with the loading or unloading of the cargo. As compared with tarpaulin sheets covering the' entire 'hatch cover and'battened down at the margins ofthe cover as heretofore commonly used, the present lnventlon insures better joints, requires less canvas, and the latter 1s less subjected to wear and is always at hand when the hatch cover is to be battened down. The permanent attachment of the apron of the battening bars II greatly facilitates the quick formation'. of tight joints with relatively simple clamping devices.

.low the top of the coaming While in accordance with the provisions of the statutes I have herein described andl illustrated the best form of my invention now known to me, it will be apparent to those skilled in the art that many changes may be made in the form of the apparatus ydisclosed without departing from the spirit of my invention,l and I do not wish the claims hereinafter made to be limited to the vparticular apparatus or mode of use dis-` closed herein more than is made necessary by the .state of theart.

Having now described my invention, what I claim as new, and desire to secure by Letters Patent, is:

1'. In a hatch, the combination with the coaming ot a hatch cover havinga depending flange surrounding and extending bewhen the hatch cover is in a closed posit-ion, a fiexible apron adapted to form a watershed permanently secured to the coaming at 'its upper edge and tending to hang parallel to said depending flange, and means `for detachably clamping the lower edge ofthe apron to the hatch cover flange.

2. In av hatch, the combination with the hatch coaming formed with an outturned iiange adjacent its upper edge, of a hatchcover, a flexible water shed apron permanentlysecured at'one edge to and depending from said coaming bencathsaid flange, and means for detachably clamping the opposite edge of the apron against the hatch cover.

3. In ka hatch, the combination with the hatch coaming formed with an flange adjacent its upper edge, cover formed with a depending4 tlangeat its margin surrounding the coaming liang, a flexible watershed apron permanently seoutturned lcured against and depending from the underside of said coaming fiange, for detachably clamping the lower edge of the apron against the cover fiange.

4. In a hatch, thel combination with the coaming having an outturned tlange adjacent its upper edge, of a hatch cover having a downwardly extending flange at its mar# gin surrounding the'coaming fiange,'a fiexii ble watershed apron peimanently secured to and depending from the underside of said coaming flange, y clamping the apron. against of said cover flange.

5. In a hatch cover, the coaming lhaving' an outturned flange ad'- jacent its upper edge, of ahatch cover having a downwardly extending flange at its margin surrounding the coaming fiange, a

of a hatch and means for det-achably the innerside andl means the combination lwith y flexible watershed apron permanently se cured to and depending from the underside of said coaming iange, and clamping devices secured to the'cover 4for detachably clamping the'apron against the cover.

6. In a hatch, the combination With the said battenmg bars and the apron to said hatch eoaming andthe .hatch cover, of a cow/er. exble watershed apron permanently secured at' one edge to said coaming, and bat- WM' ARTHUR GREEN 5 teninglbars permanently secured to the op- VVit-nesses: posite edge of the apron `at each side of the ARNOLD KATZ,

hatch, and means for detachably clamping D. STEWART. 

